http://www.acresso.com

San Francisco - 4/1/2008 - Thoma Bravo, a leading private equity investment firm, has completed the acquisition of Macrovision Corporation's (NASDAQ:MVSN) Software Business Unit. The acquisition results in the formation of a standalone company named Acresso Software.

Acresso Software provides solutions that help simplify the business relationship between software producers and enterprises. Acresso Software's product line includes the FLEXnet and InstallShield family of products that were previously offered by Macrovision Corporation. These software products enable independent software vendors (ISV's) to manage entitlements, software licensing, compliance, installation, and electronic software delivery. Acresso Software also delivers the Adminstudio® product line that provides asset management, license usage, and mass deployment tools to IT departments at enterprise organizations.

"Acresso Software is being launched today on the foundation of two strong product franchises in InstallShield and Flexnet software with 60,000 installed customers, deployed on 500 million desktops around the world." said Mark Bishof, CEO of Acresso Software. "We have a world-class investment partner in Thoma Bravo, an experienced, energized management team, and employees dedicated to building a world-class software business singularly focused on making our customers successful. We are open for business and extremely excited about the future of Acresso Software."

"Thoma Bravo looks forward to further strengthening the market leadership of Acresso Software, a company with 20 years of experience in delivering successful software solutions," said Orlando Bravo, managing partner at Thoma Bravo. "By leveraging the market leadership of Acresso Software's existing product lines, Thoma Bravo will work with the companyÂ’s highly experienced management team to grow Acresso Software and deliver increased value for its customers," added Seth Boro, principal at Thoma Bravo.

Acresso Software's management team draws on the strengths and expertise of dedicated, seasoned software industry experts. The management team of Acresso Software is:

- Mark Bishof, President and CEO

- Jim Ryan, SVP Global Sales

- Bob Doyle, SVP Engineering

- David Rowley, SVP Business Development

- Richard Northing, SVP Global Services

Summary of the Transaction

In February 2008, Thoma Bravo entered into a definitive agreement with Macrovision Corporation to acquire its Software Business Unit in a cash transaction valued at approximately $200 million. The divestiture of Macrovision Corporation's software business unit closes today and results in the formation of standalone company Acresso Software.

About Acresso Software

Acresso Software provides solutions that power the business of software for multiple customer segments, including hardware and software producers, engineers and developers, helping them uncover revenue opportunities, streamline their infrastructure and reduce costs. AcressoÂ’s proven solutions have been simplifying the business relationship between software and hardware producers and their enterprise and government customers for more than 20 years, enabling Acresso to maximize the value of the software the world develops and uses. For more information, please go to: www acresso.com

About Thoma Bravo, LLC

Thoma Bravo is a leading private equity investment firm that has been providing equity and strategic support to experienced management teams building growing companies for more than 27 years. The firm originated the concept of industry consolidation investing, which seeks to create value through the strategic use of acquisitions to accelerate business growth. Thoma Bravo applies its investment strategy across multiple industries with a particular focus on the software and services sectors. In the software industry, Thoma Bravo has completed 34 acquisitions across 12 platform companies with total annual earnings in excess of $500 million.